Question

Lucite contains 59.9 g C, 8.06 g H,

and 32.0 g O. You want to
determine the empirical formula.
How many moles of H are in the
sample?

{?} mol H

Answer 1

The number of moles of hydrogen (H) in the sample is 7.99 mol, calculated by dividing the given mass of hydrogen (8.06 g) by its molar mass (1.008 g/mol).

Step-by-step explanation:

To determine the empirical formula of a compound, we first need to find out the number of moles of each element in the compound. For hydrogen (H), given that we have 8.06 g, we can calculate the number of moles using the molar mass of hydrogen. Since the molar mass of hydrogen is approximately 1.008 g/mol, we can calculate the moles as follows:

Moles of H = Mass of H / Molar mass of H

Moles of H = 8.06 g / 1.008 g/mol

Moles of H = 7.99 mol H

Answer 2

8.00

Step-by-step explanation:

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